The 24 Hours of Le Mans tends to be dominated by one manufacturer or another in eras. Audi reigned supreme in the first decade of the 2000s, Porsche in the 1970s, '80s and '90s, and Ferrari in the early 1960s. But in the '50s, it was all about Jaguar. And now one of the most important of its race winners is going up for auction.Read more »